Unreal Engine Issues

Package game fails after creating plugin through editor

After creating a plugin in using the New Plugin button in the editor the project will fail to compile. ...

Crash when using "Convert to Variable Curve"

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 7 8 DECLARE_CYCLE_STAT(TEXT("AnimSeq EvalCurveData"), STAT_AnimSeq_EvalCurv ...

Attempting to Open a Widget Blueprint With Animation and Timeline Panels Hidden Causes the Editor to Crash

When you attempt to open a widget blueprint when you have hidden the animation and timeline panels, the editor will crash. There is a workaround: Window->Reset Layout will allow you to open the blu ...

Automatic Animation Compression Results in Crash

Using the "Automatic" option to compress animation results in crash 100% in UE4.10 but does not occur in UE4.9.2. *Regression ...

SplineMeshComponent's collision will start to distort the longer the Spline becomes

SplineMeshComponent's collision will start to distort the longer the Spline becomes This is a regession. It was working in 4.13.2-3172292 User Description: When drawing out a long spline mesh ( r ...

Packaging for tvOS in Distribution fails to find valid provision

I was unable to test this due to not having provisions available to test on for tvOS distribution. However, we have reports of the following error: "PackagingResults:Error: Error Provision not foun ...

Cloth environment collisions with APEX clothing is not thread safe.

This looks like a thread safety bug that's been in the clothing system for a very long time. Essentially a skeletal mesh component does a transform update and attempts to update the collisions of a ...

Removing a key from a Enum Map variable causes duplicate keys to remain

Removing a key from a Enum Map variable causes duplicate keys to remain. It doesn't seem to happen if the removed key is the first and last key, but only with the middle keys. For example: A (Remo ...

User project crashes after changing struct

Gameplay windows from Standalone do not remember their positions properly when there are multiple windows

The position of game windows from Standalone Game mode are not saved properly when multiple windows are used. The placement of the windows upon the next launch ends up placing all of the windows on ...